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drilling pipe from steels

drilling pipe from steels, Fatigue and corrosion fatigue behaviors of G105 and S135 Fatigue and corrosion fatigue (CF) tests were carried out to investigate the behaviors of G105 and S135 low carbon high−strength drill pipe steels under different stress amplitudes in air as well as simulated H 2 S contained drilling environment. The regression analysis method was applied to obtain empirical equations governing the fatigue and CF lives of drill pipe steels in different Author: Lihong Han, Ming Liu, Sheji Luo, Tian Jian Lu, Tian Jian Lu

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